Answer:
1. Solid, liquid, gas, plasma
2. In a solid and liquid, the particles are close together. In a solid, the particles are packed close together and are held in a fixed position. ... In liquids, particles are usually almost as close to each other as in solids.
3. latent heat of vaporization
4. melting
5. As the temperature falls, the particles slow down. If a liquid is cooled sufficiently, it forms a solid.
6. heat
7. amount of heat transferred when 1g of a substance melts or freezes
Explanation:
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